It's been some four years since Santa Anita suffered through some of the worst times in its long and otherwise glorious history, a prolonged period where horses were breaking down and dying at an alarming rate. Aidan Butler, the chief executive officer at The Stronach Group 1/ST Racing and Gaming, the corporation that owns Santa Anita, is still haunted by that period, so much so that he says he has nightmares about horses breaking down. "It was horrific," Butler said. "Can you imagine having bloody helicopters from the news stations...